American herb having sharply serrate lanceolate leaves and spikes of blue to violet flowers
例句
The Chinese dragonhead seemed like a perfect fit. 中国的龙头似乎是一个完美的适合。
The "dragonhead" sticks were used by older ministers whose prestige and power were second only to the emperor's. "龙头"杖仅有朝廷元老大臣才能使用，他们有仅次于皇帝的威望和权力。
Centipedes are kites-trains with a dragonhead and a train of equally dimensioned kite disks. 它的升力片（翅）由一根主竹条构成，翅膀的后半部是软性的，没有竹条依附。
A stone dragonhead is carved for each on the southern and northern walls of the southern pool. 在南池南北两面石墙上，各有一石雕龙头，相对而视。
That of the Miao in Shidong is a dragonhead one, in various sizes.The big ones are used for festivals, and small ones are used in daily life. 施洞苗族龙首插针大小不等，大的用于节日，小的为日常生活中所佩戴。
The stele inside, with a coiling dragon on the top, is carried by a legendary animal with a dragonhead and tortoise body with scales and shell. 亭内石碑，造型别致。碑首为一头探碑外的盘龙，碑趺是一个龙头龟体遍身鳞甲的神兽。
